Lenovo ThinkCentre M90n-1 Nano Desktop PC (11AD003NSA) - 8th Generation Intel Core i5-8265U Processor, 8GB Soldered DDR4 2666MHz RAM (1 x 8GB, No Slot, Not Upgradable), 256GB M.2 2280 x4 PCIe NVMe Opal Solid State Drive, No Optical Drive, Intel UHD Graphics 620, 1 x 1W Internal Speakers, Intel 9462 11ac, 1x1 + Bluetooth 5.0, Connectivity: Front Ports: 1 x Headphone/Mic Combo Jack (3.5mm), 2 x serial (RS-232), 1 x USB-C 3.2 Gen 2, 2 x USB 3.2 Gen 2, Rear Ports: 1 x DisplayPort (for 4205U / 8145U / 8365U models), 2 x Ethernet (RJ-45) for i3 / i5 models, 1 x USB 3.2 Gen 2 (for i3 / i5 models), 1 x USB-C 3.2 Gen 2 (support display function, power-in [20V and >45W]), USB Keyboard + Mouse, Windows 10 Pro 64-Bit